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在這段代碼中，我通過點擊返回和下一個按鈕從本地數據庫中檢索它來逐個匹配表名來顯示問題。最初，當我按下下一步按鈕時，它的工作正常，並正確顯示所有問題，同時按下後退按鈕也可以正常工作，但是當我按下下一個按鈕時，然後再次顯示下一個索引而不是上一個索引的問題。下一個和後退按鈕的編碼
public void compareTableName()
{
Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
if(tablename.equals("email"))
{
selectedTableName=tablename;
Log.e("table",selectedTableName);
i_email=0;
if(c.moveToPosition(i_email))
{
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
next_email++;
back_email=-1;
i_email++;
//counter_email=1;
}
Bundle emailBundle=new Bundle();
emailBundle.putInt("questionnum",question_no);
emailBundle.putString("username",username);
emailBundle.putString("surveyname",surveyName);
emailBundle.putString("quesname",selectedQues);
EmailFragment emailFrag=new EmailFragment();//create the fragment instance for the top fragment
emailFrag.setArguments(emailBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.add(R.id.MyFrameLayout,emailFrag, "email");
transaction.commit();
}
if(tablename.equals("numerictext"))
{
selectedTableName=tablename;
Log.e("table",selectedTableName);
i_numeric=0;
back_numeric=-1;
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
if(c.moveToPosition(i_numeric))
{
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
next_numeric++;
i_numeric++;
//counter_numeric=1;
}
Bundle numericBundle=new Bundle();
numericBundle.putInt("questionnum",question_no);
NumericFragment numericFrag=new NumericFragment();//create the fragment instance for the top fragment
numericFrag.setArguments(numericBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.add(R.id.MyFrameLayout,numericFrag, "numeric");
transaction.commit();
}
else if(tablename.equals("signature"))
{
selectedTableName=tablename;
Toast.makeText(getBaseContext(), "inside else of onclick"+selectedTableName, Toast.LENGTH_SHORT).show();
Log.e("inside signature text","inside");
i_signature=0;
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
if(c.moveToPosition(i_signature))
{
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
next_signature++;
i_signature++;
//counter_sign=1;
}
Bundle signatureBundle=new Bundle();
signatureBundle.putInt("questionnum",question_no);
//intent.putExtra("android.intent.extra.INTENT",numericBundle);
CaptureSignature signatureFrag=new CaptureSignature();
signatureFrag.setArguments(signatureBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,signatureFrag, "signature");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
else if(tablename.equals("information"))
{
selectedTableName=tablename;
Toast.makeText(getBaseContext(), "inside else of onclick"+selectedTableName, Toast.LENGTH_SHORT).show();
Log.e("inside signature text","inside");
i_information=0;
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
if(c.moveToPosition(i_information))
{
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
next_info++;
i_information++;
//counter_info=1;
}
Bundle informationBundle=new Bundle();
informationBundle.putInt("questionnum",question_no);
//intent.putExtra("android.intent.extra.INTENT",numericBundle);
InformationFragment informationFrag=new InformationFragment();
informationFrag.setArguments(informationBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,informationFrag, "information");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
}
@SuppressLint("NewApi")
@Override
public void onClick(View v)
{
if(v.getId()==R.id.next)
{
i++;
nextButton++;
backcounter--;
Log.e("nextbutton",""+nextButton);
Log.e("value of i",""+i);
Toast.makeText(this,tablename+i,Toast.LENGTH_LONG).show();
cursor=db.getAllRecordsTable(username, surveyName, selectedQues);
counter_info=0;
counter_numeric=0;
counter_sign=0;
counter_email=0;
if(cursor.moveToPosition(i))
{
tablename=cursor.getString(0);
Log.e("inside click",tablename);
//Toast.makeText(this,tablename,Toast.LENGTH_LONG).show();
}
Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
if(tablename.equals("numerictext"))
{
selectedTableName=tablename;
tableLastClicked=selectedTableName;
Toast.makeText(getBaseContext(), "inside else of onclick"+selectedTableName, Toast.LENGTH_SHORT).show();
Log.e("inside numerci text","inside");
Log.e("value","before"+i_numeric);
counter_info=1;
//next_numeric=0;
//next_numeric++;
//if(backcounter!=1)
//{
if(i_numeric==-1)
i_numeric=0;
if(tableBackClicked.equals("numerictext"))
{
i_numeric++;
tableBackClicked="";
}
/*else
i_numeric++;
}
else
{
i_numeric=next_numeric;
}
//counter=0;
/*if(counter_numeric!=1)
{
if(i_numeric>=1)
{
i_numeric++;
}
}
if(counter_numeric==1)
{
i_numeric++;
counter_numeric=0;
}*/
if(c.moveToPosition(i_numeric))
{
//if(i_numeric==0)
i_numeric++;
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
Toast.makeText(this,"question no is"+question_no,Toast.LENGTH_SHORT);
}
Log.e("value numeric","after"+i_numeric);
Bundle numericBundle=new Bundle();
numericBundle.putString("username",username);
numericBundle.putString("surveyname",surveyName);
numericBundle.putString("quesname",selectedQues);
numericBundle.putInt("questionnum",question_no);
//intent.putExtra("android.intent.extra.INTENT",numericBundle);
NumericFragment numericFrag=new NumericFragment();
numericFrag.setArguments(numericBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,numericFrag, "numeric");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
else if(tablename.equals("signature"))
{
selectedTableName=tablename;
tableLastClicked=selectedTableName;
Toast.makeText(getBaseContext(), "last clicked"+selectedTableName, Toast.LENGTH_SHORT).show();
Log.e("inside signature text","inside");
Log.e("value sign","before"+i_signature);
//back_signature=-1;
//if(backcounter!=1)
//{
if(i_signature==-1)
i_signature=0;
if(tableBackClicked.equals("signature"))
{
i_signature++;
tableBackClicked="";
}
/*else
next_signature++;
}
else
{
i_signature=next_signature;
}
//counter=0;
/*if(counter_sign!=1)
{
if(i_signature>=1)
{
i_signature++;
}
}
if(counter_sign==1)
{
i_signature++;
counter_sign=0;
}*/
Log.e("value sign","before"+i_signature);
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
//counter_sign=1;
if(c.moveToPosition(i_signature))
{
//if(i_signature==0)
i_signature++;
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
}
Bundle signatureBundle=new Bundle();
signatureBundle.putInt("questionnum",question_no);
signatureBundle.putString("username",username);
signatureBundle.putString("surveyname",surveyName);
signatureBundle.putString("quesname",selectedQues);
//intent.putExtra("android.intent.extra.INTENT",numericBundle);
CaptureSignature signatureFrag=new CaptureSignature();
signatureFrag.setArguments(signatureBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,signatureFrag, "signature");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
else if(tablename.equals("information"))
{
selectedTableName=tablename;
tableLastClicked=selectedTableName;
Toast.makeText(getBaseContext(), " last click"+tableLastClicked, Toast.LENGTH_SHORT).show();
Log.e("inside information text","inside");
Log.e("i_information","before"+i_information);
Log.e("value info","before"+i_information);
//counter_info=1;
//Log.e("backcounter",""+backcounter);
//next_info++;
//back_info=-1;
//if(backcounter!=1)
//{
if(i_information==-1)
i_information=0;
if(tableBackClicked.equals("information"))
{
i_information++;
tableBackClicked="";
}
/*else
i_information++;
}
else
{
i_information=next_info;
}
/*if(counter_info!=1)
{
if(i_information>1)
{
i_information++;
}
}
if(counter_info==1)
{
i_information++;
counter_info=0;
}*/
//db.open();
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
if(c.moveToPosition(i_information))
{
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
//if(i_information==0)
i_information++;
}
Log.e("value info","after"+i_information);
Bundle informationBundle=new Bundle();
informationBundle.putInt("questionnum",question_no);
informationBundle.putString("username",username);
informationBundle.putString("surveyname",surveyName);
informationBundle.putString("quesname",selectedQues);
InformationFragment informationFrag=new InformationFragment();
informationFrag.setArguments(informationBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,informationFrag, "information");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
else if(tablename.equals("email"))
{
selectedTableName=tablename;
tableLastClicked=selectedTableName;
Log.e("table",tableLastClicked);
Log.e("value email","before"+i_email);
/*if(backn==1)
{
i_email++;
}*/
//e=-1;
/*back_email=-1;*/
next_email=0;
next_email++;
//Log.e("e",""+e);
//Log.e("counter inside email",""+counter);
/*if(counter!=1)
{
Log.e("incounter","");*/
if(i_email==-1)
{
i_email=0;
}
if(tableBackClicked.equals("email"))
{
i_email++;
tableBackClicked="";
}
/*else
{
Log.e("else","");
i_email++;
}
}
/*if(counter==1)
{
i_email=next_email1;
}*/
//Log.e("e1",""+e1);
/*if(e1!=-1)
{
i_email++;
}*/
//counter=0;
/*if(counter_email!=1)
{
if(i_email>1)
{
i_email++;
}
}*/
//counter_email=1;
/*if(counter_email==1||i_email==2)
{
i_email++;
}*/
//db.open();
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
if(c.moveToPosition(i_email))
{
//if(i_email==0)
i_email++;
Log.e("inside","email table");
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
}
Log.e("value email","after"+i_email);
Bundle emailBundle=new Bundle();
emailBundle.putInt("questionnum",question_no);
emailBundle.putString("username",username);
emailBundle.putString("surveyname",surveyName);
emailBundle.putString("quesname",selectedQues);
EmailFragment emailFrag=new EmailFragment();//create the fragment instance for the top fragment
emailFrag.setArguments(emailBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,emailFrag, "email");
transaction.commit();
}
c.close();
}
else
{
i--;
backcounter++;
nextButton--;
Log.e("backcounter",""+backcounter);
Log.e("value of i",""+i);
Toast.makeText(this,""+i,Toast.LENGTH_LONG).show();
cursor=db.getAllRecordsTable(username, surveyName, selectedQues);
if(cursor.moveToPosition(i))
{
tablename=cursor.getString(0);
Log.e("inside click",tablename);
Toast.makeText(this,tablename,Toast.LENGTH_LONG).show();
}
Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
Toast.makeText(this,"value of curosr"+c.getCount(),Toast.LENGTH_SHORT).show();
if(tablename.equals("numerictext"))
{
selectedTableName=tablename;
Toast.makeText(getBaseContext(), "inside else of onclick"+selectedTableName, Toast.LENGTH_SHORT).show();
Log.e("inside numerci text","inside");
Toast.makeText(this,"inside numeric text",Toast.LENGTH_SHORT).show();
Log.e("value i","before"+i_numeric);
//Log.e("back numeric",""+back_numeric);
/*if(counter_numeric!=1)
{
back_numeric++;
}
if(back_numeric==0)
{
i_numeric=next_numeric;
}
else*/
Log.e("table last clicked",tableLastClicked);
if(tableLastClicked.equals("numerictext"))
{
i_numeric=i_numeric-2;
tableLastClicked="";
}
else
i_numeric--;
back_numeric=0;
//next_numeric--;
/*if(counter_numeric!=0)
{
i_numeric--;
}*/
Log.e("value i","after"+i_numeric);
if(c.moveToPosition(i_numeric))
{
Toast.makeText(this,"inside numeric text"+i_numeric,Toast.LENGTH_SHORT).show();
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
//counter_numeric++;
//Log.e("count","before"+counter_numeric);
}
Bundle numericBundle=new Bundle();
numericBundle.putString("username",username);
numericBundle.putString("surveyname",surveyName);
numericBundle.putString("quesname",selectedQues);
numericBundle.putInt("questionnum",question_no);
//intent.putExtra("android.intent.extra.INTENT",numericBundle);
NumericFragment numericFrag=new NumericFragment();
numericFrag.setArguments(numericBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,numericFrag, "numeric");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
else if(tablename.equals("signature"))
{
selectedTableName=tablename;
Toast.makeText(getBaseContext(), "inside else of onclick"+selectedTableName, Toast.LENGTH_SHORT).show();
Log.e("inside signature text","inside");
Log.e("table last clicked",tableLastClicked);
if(tableLastClicked.equals("signature"))
{
i_signature=i_signature-2;
tableLastClicked="";
}
else
i_signature--;
back_signature=0;
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
Log.e("value i","before"+i_signature);
/*if(counter_sign!=0)
{
i_signature--;
}*/
/*if(counter_sign!=1)
back_signature++;
if(back_signature==0)
{
i_signature=next_signature;
}
else
i_signature--;
next_sign=i_signature;*/
Log.e("value i","after"+i_signature);
if(c.moveToPosition(i_signature))
{
Toast.makeText(this,"inside signature"+i_signature,Toast.LENGTH_SHORT).show();
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
//counter_sign++;
Log.e("count","sign"+counter_sign);
}
Bundle signatureBundle=new Bundle();
signatureBundle.putInt("questionnum",question_no);
signatureBundle.putString("username",username);
signatureBundle.putString("surveyname",surveyName);
signatureBundle.putString("quesname",selectedQues);
//intent.putExtra("android.intent.extra.INTENT",numericBundle);
CaptureSignature signatureFrag=new CaptureSignature();
signatureFrag.setArguments(signatureBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,signatureFrag, "signature");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
else if(tablename.equals("information"))
{
selectedTableName=tablename;
tableBackClicked=selectedTableName;
Toast.makeText(getBaseContext(), "inside else of onclick"+selectedTableName, Toast.LENGTH_SHORT).show();
Log.e("inside info text","inside");
Log.e("value i","before"+i_information);
//if(counter_info!=0)
Log.e("table last clicked",tableLastClicked);
if(tableLastClicked.equals("information"))
{
i_information=i_information-2;
tableLastClicked="";
}
else
i_information--;
back_info=0;
//db.open();
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
/*if(counter_info!=1)
{
back_info++;
}
if(back_info==0)
{
i_information=next_info;
}
else
i_information--;
next_info--;
Log.e("next_info",""+next_info);*/
Log.e("value i","after"+i_information);
/*Log.e("valuebackinfo",""+back_info);
next_information=i_information;*/
if(c.moveToPosition(i_information))
{
Toast.makeText(this,"inside information"+i_information,Toast.LENGTH_SHORT).show();
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no"," "+question_no);
}
Bundle informationBundle=new Bundle();
informationBundle.putInt("questionnum",question_no);
informationBundle.putString("username",username);
informationBundle.putString("surveyname",surveyName);
informationBundle.putString("quesname",selectedQues);
//intent.putExtra("android.intent.extra.INTENT",numericBundle);
InformationFragment informationFrag=new InformationFragment();
informationFrag.setArguments(informationBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,informationFrag, "information");
//transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.commit();
}
else if(tablename.equals("email"))
{
selectedTableName=tablename;
tableBackClicked=selectedTableName;
Log.e("table",selectedTableName);
//db.open();
//Cursor c=db.getQuestionnum(username,surveyName,selectedQues,tablename);
Log.e("value of curosr",""+c.getCount());
Log.e("value i","before"+i_email);
//Log.e("e back",""+e);
//e1=-1;
//Log.e("e1",""+e);
//e1++;
//Log.e("e1",""+e);
//backn=1;
/*e++;
if(e==0)
{
i_email--;
}
if(counter_email!=0)
i_email--;*/
Log.e("before",""+i_email);
/*if(counter_email!=1)
{
back_email++;
}
if(back_email==0)
{
i_email=next_email;
}
else*/
//back_email++;
//Log.e("back_email",""+back_email);
Log.e("table last clicked",tableLastClicked);
if(tableLastClicked.equals("email"))
{
i_email=i_email-2;
tableLastClicked="";
}
else
i_email--;
back_email=0;
//Log.e("after",""+next_email);
Log.e("value i","after"+i_email);
if(c.moveToPosition(i_email))
{
Log.e("inside","email table");
Toast.makeText(this,"inside email"+i_email,Toast.LENGTH_SHORT).show();
int index=c.getColumnIndex("question_no");
Log.e("index",""+index);
question_no= c.getInt(index);
Log.e("question_no of email"," "+question_no);
//counter_email++;
//Log.e("counter","email"+counter_email);
}
Bundle emailBundle=new Bundle();
emailBundle.putInt("questionnum",question_no);
emailBundle.putString("username",username);
emailBundle.putString("surveyname",surveyName);
emailBundle.putString("quesname",selectedQues);
EmailFragment emailFrag=new EmailFragment();//create the fragment instance for the top fragment
emailFrag.setArguments(emailBundle);
FragmentManager manager=getFragmentManager();//create an instance of fragment manager
transaction=manager.beginTransaction();
transaction.replace(R.id.MyFrameLayout,emailFrag, "email");
transaction.commit();
}
c.close();
}
}
}
很多與'next_email'，'back_email'，'i_email'和'counter_email'混淆。請張貼更多的代碼和logcat，並打印所有'Log.e'和爲什麼'back_email = -1'，這是否有意義？ –
@ManishDubey：忽略這些，因爲這些沒有被使用，並且dsnt對我的代碼有任何影響。並沒有得到任何錯誤，所以沒有使用日誌貓 –